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Finding the Fourth Proportional to 47,750.50, 71,625.75 and 14,918.50

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Solution

The fourth proportional to 47,750.50, 71,625.75 and 14,918.50 is: 22,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,750.50 : 71,625.75 = 14,918.50 : x
  2. Step 2: Convert to fraction form
    47,750.50/71,625.75 = 14,918.50/x
  3. Step 3: Cross multiply
    47,750.50x = 71,625.75 × 14,918.50
  4. Step 4: Simplify right side
    47,750.50x = 1,068,548,751.38
  5. Step 5: Solve for x
    x = 1,068,548,751.38/47,750.50
  6. Step 6: Final answer
    x = 22,377.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.